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-rw-r--r--sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala6
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
index 076afe6e4e..bb333b4d5e 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
@@ -66,7 +66,8 @@ private[joins] final class GeneralHashedRelation(
private var hashTable: JavaHashMap[InternalRow, CompactBuffer[InternalRow]])
extends HashedRelation with Externalizable {
- private def this() = this(null) // Needed for serialization
+ // Needed for serialization (it is public to make Java serialization work)
+ def this() = this(null)
override def get(key: InternalRow): Seq[InternalRow] = hashTable.get(key)
@@ -88,7 +89,8 @@ private[joins]
final class UniqueKeyHashedRelation(private var hashTable: JavaHashMap[InternalRow, InternalRow])
extends HashedRelation with Externalizable {
- private def this() = this(null) // Needed for serialization
+ // Needed for serialization (it is public to make Java serialization work)
+ def this() = this(null)
override def get(key: InternalRow): Seq[InternalRow] = {
val v = hashTable.get(key)